Cotel Pascal, Petit Didier. (1997). Target strength measurements on three pelagic fishes from the Java Sea. In :
Petit Didier (ed.), Cotel Pascal (ed.), Nugroho D. (ed.). Proceedings of acoustics seminar AKUSTIKAN 2. Luxembourg (LUX) ; Jakarta (IDN) ; Paris : Union Européenne ; CRIFI ; ORSTOM, p. 109-119. AKUSTIKAN : Seminar, 2., Bandungan (IDN), 1996/05/27-29. ISBN 979-8186-64-8.
Titre du document
Target strength measurements on three pelagic fishes from the Java Sea
Année de publication
1997
Type de document
Partie d'ouvrage
Auteurs
Cotel Pascal, Petit Didier
In
Petit Didier (ed.), Cotel Pascal (ed.), Nugroho D. (ed.) Proceedings of acoustics seminar AKUSTIKAN 2
Source
Luxembourg (LUX) ; Jakarta (IDN) ; Paris : Union Européenne ; CRIFI ; ORSTOM, 1997,
p. 109-119 ISBN 979-8186-64-8
Using acoustics for biomass evaluation, the back scattering cross section of species has to be determined to convert the data into weighted values. During the cruises of the EU Project "Java Sea Pelagic Fishery", TS measurements on 3 pelagic fishes of economic importance : Decapterus russelli, Selar crumenophthalmus, and Rastrelliger kanagurta were carried out, using a BioSonics dual beam echo-sounder at a frequency of 120 kHz. The observations on single or multiple targets in a cage, revealed a large dispersion of the responses, even in the same experiment. These results are discussed and compared with Johannesson's (Anonymous, 1984) in the same area. (Résumé d'auteur)
Plan de classement
Stocks [040PECHE03]
Descripteurs
RESSOURCES HALIEUTIQUES ; POISSON MARIN ; ESPECE PELAGIQUE ; DENSITE DE POPULATION ; EVALUATION ; SONAR ; INDICE DE REFLEXION
